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/*! @file Explanations.cc
* @brief Explanations Implementation
*
* This file contains the implementation of the functions
* which provide a base level of functionality of a Explanations.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fstream>
#include <rld.h>
#include "Explanations.h"
namespace Coverage {
Explanations::Explanations()
{
}
Explanations::~Explanations()
{
}
void Explanations::load( const std::string& explanations )
{
std::ifstream explain;
Explanation e;
int line = 1;
if ( explanations.empty() ) {
return;
}
explain.open( explanations );
if ( !explain ) {
std::ostringstream what;
what << "Unable to open " << explanations;
throw rld::error( what, "Explanations::load" );
}
std::string input_line;
while ( 1 ) {
// Read the starting line of this explanation and
// skip blank lines between
do {
std::getline( explain, input_line );
if ( explain.fail() ) {
return;
}
line++;
} while ( input_line.empty() );
// Have we already seen this one?
if ( set.find( input_line ) != set.end() ) {
std::ostringstream what;
what << "line " << line
<< "contains a duplicate explanation ("
<< input_line << ")";
throw rld::error( what, "Explanations::load" );
}
// Add the starting line and file
e.startingPoint = input_line;
e.found = false;
// Get the classification
std::getline( explain, input_line );
if ( explain.fail() ) {
std::ostringstream what;
what << "line " << line
<< "out of sync at the classification";
throw rld::error( what, "Explanations::load" );
}
e.classification = input_line;
line++;
// Get the explanation
while ( std::getline( explain, input_line ) ) {
line++;
const std::string delimiter = "+++";
if ( input_line.compare( delimiter ) == 0 ) {
break;
}
// XXX only taking last line. Needs to be a vector
e.explanation.push_back( input_line );
}
if ( explain.fail() ) {
std::ostringstream what;
what << "line " << line
<< "out of sync at the explanation";
throw rld::error( what, "Explanations::load" );
}
// Add this to the set of Explanations
set[ e.startingPoint ] = e;
}
}
const Explanation *Explanations::lookupExplanation(
const std::string& start
)
{
if ( set.find( start ) == set.end() ) {
#if 0
std::cerr << "Warning: Unable to find explanation for "
<< start << std::endl;
#endif
return NULL;
}
set[ start ].found = true;
return &set[ start ];
}
void Explanations::writeNotFound( const std::string& fileName )
{
std::ofstream notFoundFile;
bool notFoundOccurred = false;
if ( fileName.empty() ) {
return;
}
notFoundFile.open( fileName );
if ( !notFoundFile ) {
std::ostringstream what;
what << "Unable to open " << fileName
<< " out of sync at the explanation";
throw rld::error( what, "Explanations::writeNotFound" );
}
for (
std::map<std::string, Explanation>::iterator itr = set.begin();
itr != set.end();
itr++
) {
Explanation e = (*itr).second;
std::string key = (*itr).first;
if ( !e.found ) {
notFoundOccurred = true;
notFoundFile << e.startingPoint << std::endl;
}
}
if ( !notFoundOccurred ) {
if ( !unlink( fileName.c_str() ) ) {
std::cerr << "Warning: Unable to unlink " << fileName
<< std::endl
<< std::endl;
}
}
}
}
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